WO2012105407A1 - Membrane poreuse supportant du catalyseur, élément de catalyseur, dispositif de purification d'air et procédé pour la production de membrane poreuse supportant du catalyseur - Google Patents

Membrane poreuse supportant du catalyseur, élément de catalyseur, dispositif de purification d'air et procédé pour la production de membrane poreuse supportant du catalyseur Download PDF

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Publication number
WO2012105407A1
WO2012105407A1 PCT/JP2012/051661 JP2012051661W WO2012105407A1 WO 2012105407 A1 WO2012105407 A1 WO 2012105407A1 JP 2012051661 W JP2012051661 W JP 2012051661W WO 2012105407 A1 WO2012105407 A1 WO 2012105407A1
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WIPO (PCT)
Prior art keywords
catalyst
porous membrane
supporting
supporting porous
particles
Prior art date
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Ceased
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PCT/JP2012/051661
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English (en)
Japanese (ja)
Inventor
亘 堀江
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Sharp Corp
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Sharp Corp
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Publication date
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Priority to US13/982,767 priority Critical patent/US9321044B2/en
Publication of WO2012105407A1 publication Critical patent/WO2012105407A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/88—Handling or mounting catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/145—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing embedded catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/15—Supporting means, e.g. stands, hooks, holes for hanging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/10—Catalysts being present on the surface of the membrane or in the pores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation

Definitions

  • the present invention relates to a catalyst-supporting porous membrane, a catalyst member, an air cleaner, and a method for producing a catalyst-supporting porous membrane.
  • Patent Document 1 a coated material is formed on the surface of a substrate by applying a coating agent in which photocatalyst particles and a binder resin are mixed to a substrate having a surface on which fine irregularities are formed. It is described. However, when the coating agent is applied to the uneven surface of the substrate in this way, the catalyst particles are buried between the recesses, and the catalytic effect may not increase efficiently.
  • the mold in the curing step, has a surface having a moth-eye structure or an inverted moth-eye structure.
  • a catalyst-supporting porous membrane it is possible to provide a catalyst-supporting porous membrane, a catalyst member, an air cleaner, and a method for producing a catalyst-supporting porous membrane having a high catalytic effect.
  • the catalyst-supporting porous membrane 10 of this embodiment includes a resin layer 12 and catalyst particles 14 dispersed in the resin layer 12.
  • the catalyst particles 14 are titanium oxide particles, zinc-supported titanium oxide particles, silver-supported titanium oxide particles, or silver-supported silicon dioxide / aluminum oxide particles. These are commercially available as atomic balls from JGC Catalysts & Chemicals. These particles are sometimes collectively referred to as inorganic oxide fine particles or metal catalyst-supported inorganic oxide fine particles.
  • FIG. 4 shows the change in the surface area with respect to the change in the aspect ratio (height / radius) of the cone.
  • the radius r is constant at 100 nm.
  • the surface area increases as the aspect ratio (height h / radius r) of the cone increases.
  • a mold substrate 80t having a surface provided with an aluminum film 80a is prepared.
  • the mold base 80t may have a support (not shown) and an aluminum film 80a provided thereon.
  • the mold base 80t may be an aluminum base.
  • the aluminum film 80a is partially anodized again to grow the pores 80p in the depth direction and to thicken the porous alumina layer 80b.
  • the growth of the pores 80p starts from the bottom of the already formed pores 80p, the side surfaces of the pores 80p are stepped.
  • the aluminum film 80a has at least one selected from the group consisting of Fe, Si, Cu, Mn, Zn, Ni, Ti, Pb, Sn, and Mg. Impurity elements may be included.
  • a concave portion different from the pore 80p is formed during the first etching, and the surface area of the porous alumina layer 80b can be further increased.
  • the porous alumina layer 80b is used as the direct mold 80, but the present invention is not limited to this.
  • the mold 80 may be produced by transferring the porous alumina layer 80b.
  • a mold having a moth-eye structure surface may be produced by transferring the porous alumina layer 80b to a photocurable resin, and this mold may be used as the mold 80 shown in FIG.
  • the porous portion 22 is provided with a conical or bell-shaped convex portion, but the present invention is not limited to this.
  • the porous portion 22 may be provided with a substantially cylindrical convex portion.
  • Etching may be omitted.
  • the steps shown in FIGS. 5C to 5E may be omitted.
  • FIG. 6 shows a schematic diagram of the porous alumina layer 80b.
  • the porous alumina layer 80b has a surface having an inverted moth-eye structure.
  • a plurality of holes are provided on the surface of the porous alumina layer 80b, and the holes define a plurality of protrusions and a plurality of ridge lines that respectively connect the plurality of protrusions via the flange 80s.
  • each hole is tapered.
  • Each convex portion is pointed, and each convex portion is defined by being surrounded by at least three holes.
  • the porous alumina layer 80b is formed by repeating anodization and etching a plurality of times until adjacent holes are partially connected.
  • membrane 10 in an air cleaner is not restricted to said example, According to a use and an installation place, it can change suitably. Further, the dust filter 54 can be omitted.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catalysts (AREA)

Abstract

L'invention porte sur une membrane poreuse supportant du catalyseur (10) comprenant une couche de résine (12) et des particules de catalyseur (14) dispersées à l'intérieur de la couche de résine (12). Les particules de catalyseur (14) sont réparties de façon inégale sur la surface de la couche de résine (12). De préférence, la membrane poreuse supportant du catalyseur (10) comprend une section poreuse (22) et une section support (24) qui supporte la section poreuse (22) et le nombre de particules de catalyseur (14) par unité de volume de la section poreuse (22) est plus grand que le nombre de particules de catalyseur (14) par unité de volume de la section support (24). Ainsi, une membrane poreuse supportant du catalyseur présentant un effet catalytique élevé peut être produite.
PCT/JP2012/051661 2011-02-02 2012-01-26 Membrane poreuse supportant du catalyseur, élément de catalyseur, dispositif de purification d'air et procédé pour la production de membrane poreuse supportant du catalyseur Ceased WO2012105407A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/982,767 US9321044B2 (en) 2011-02-02 2012-01-26 Catalyst-supporting porous membrane, catalyst member, air cleaning device, and method for producing catalyst-supporting porous membrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-020933 2011-02-02
JP2011020933 2011-02-02

Publications (1)

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WO2012105407A1 true WO2012105407A1 (fr) 2012-08-09

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US (1) US9321044B2 (fr)
WO (1) WO2012105407A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016135234A (ja) * 2014-04-28 2016-07-28 シャープ株式会社 殺菌作用を有するフィルターおよび容器
CN111359001A (zh) * 2020-03-17 2020-07-03 南京乐康健康科技发展有限公司 一种纳米复合负离子杀菌速粘膜的制备方法
JP2022098091A (ja) * 2020-12-21 2022-07-01 シャープ株式会社 フィルム
WO2024029262A1 (fr) * 2022-08-04 2024-02-08 国立大学法人東海国立大学機構 Corps de catalyseur et son procédé de fabrication

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9889221B1 (en) * 2013-10-10 2018-02-13 University Of South Florida Enhancement of photocatalytic effect with surface roughness in photocatalytic reactors
CN108283937A (zh) * 2018-03-12 2018-07-17 南京科技职业学院 一种实验室废气处理方法与装置
EP3860757A1 (fr) * 2018-10-02 2021-08-11 Basf Se Processus pour mettre en oeuvre des réactions chimiques en phase fluide en présence de films comprenant des particules de catalyseur
CN111497571B (zh) * 2020-04-16 2022-07-29 广西科学院 一种新型室内空气净化的方法

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JP2000093809A (ja) * 1998-09-21 2000-04-04 Yamaha Corp 光触媒担持体およびその製造方法
JP2004106348A (ja) * 2002-09-18 2004-04-08 Asahi Kasei Chemicals Corp 光触媒フィルム、および該光触媒フィルムが貼付された部材
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016135234A (ja) * 2014-04-28 2016-07-28 シャープ株式会社 殺菌作用を有するフィルターおよび容器
CN111359001A (zh) * 2020-03-17 2020-07-03 南京乐康健康科技发展有限公司 一种纳米复合负离子杀菌速粘膜的制备方法
JP2022098091A (ja) * 2020-12-21 2022-07-01 シャープ株式会社 フィルム
JP7549519B2 (ja) 2020-12-21 2024-09-11 シャープ株式会社 フィルム
US12331184B2 (en) 2020-12-21 2025-06-17 Sharp Kabushiki Kaisha Film
WO2024029262A1 (fr) * 2022-08-04 2024-02-08 国立大学法人東海国立大学機構 Corps de catalyseur et son procédé de fabrication
JP2024021808A (ja) * 2022-08-04 2024-02-16 国立大学法人東海国立大学機構 触媒体及びその製造方法

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US20130315786A1 (en) 2013-11-28

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